Characterized by semi-translucent body, presence of small orange spots, and 4-5 large internal blackish blotches and rectangular white marks; elongate and filamentous first two dorsal spines especially in male; fully united pelvic fins; presence of pelvic frenum; rounded caudal fin; longitudinal scale series 25-26; ctenoid scales except cycloid on nape, breast and base of pectoral fin; scales absent on operculum; median predorsal scales absent; opening of gill extending to below posterior half of opercle; depth of body 4.8-5.2 in SL (Ref. 90102).